mirror of https://github.com/xemu-project/xemu.git
hw/arm: versal: Add support for the RTC
hw/arm: versal: Add support for the RTC. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Luc Michel <luc.michel@greensocs.com> Message-id: 20200427181649.26851-10-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -240,6 +240,26 @@ static void versal_create_sds(Versal *s, qemu_irq *pic)
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}
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}
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static void versal_create_rtc(Versal *s, qemu_irq *pic)
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{
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SysBusDevice *sbd;
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MemoryRegion *mr;
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sysbus_init_child_obj(OBJECT(s), "rtc", &s->pmc.rtc, sizeof(s->pmc.rtc),
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TYPE_XLNX_ZYNQMP_RTC);
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sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
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qdev_init_nofail(DEVICE(sbd));
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mr = sysbus_mmio_get_region(sbd, 0);
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memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
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/*
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* TODO: Connect the ALARM and SECONDS interrupts once our RTC model
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* supports them.
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*/
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sysbus_connect_irq(sbd, 1, pic[VERSAL_RTC_APB_ERR_IRQ]);
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}
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/* This takes the board allocated linear DDR memory and creates aliases
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* for each split DDR range/aperture on the Versal address map.
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*/
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@ -323,6 +343,7 @@ static void versal_realize(DeviceState *dev, Error **errp)
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versal_create_gems(s, pic);
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versal_create_admas(s, pic);
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versal_create_sds(s, pic);
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versal_create_rtc(s, pic);
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versal_map_ddr(s);
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versal_unimp(s);
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@ -19,6 +19,7 @@
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#include "hw/char/pl011.h"
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#include "hw/dma/xlnx-zdma.h"
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#include "hw/net/cadence_gem.h"
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#include "hw/rtc/xlnx-zynqmp-rtc.h"
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#define TYPE_XLNX_VERSAL "xlnx-versal"
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#define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL)
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@ -65,6 +66,8 @@ typedef struct Versal {
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struct {
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SDHCIState sd[XLNX_VERSAL_NR_SDS];
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} iou;
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XlnxZynqMPRTC rtc;
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} pmc;
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struct {
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@ -89,7 +92,10 @@ typedef struct Versal {
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#define VERSAL_GEM1_IRQ_0 58
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#define VERSAL_GEM1_WAKE_IRQ_0 59
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#define VERSAL_ADMA_IRQ_0 60
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#define VERSAL_RTC_APB_ERR_IRQ 121
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#define VERSAL_SD0_IRQ_0 126
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#define VERSAL_RTC_ALARM_IRQ 142
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#define VERSAL_RTC_SECONDS_IRQ 143
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/* Architecturally reserved IRQs suitable for virtualization. */
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#define VERSAL_RSVD_IRQ_FIRST 111
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@ -143,4 +149,6 @@ typedef struct Versal {
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#define MM_PMC_SD0_SIZE 0x10000
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#define MM_PMC_CRP 0xf1260000U
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#define MM_PMC_CRP_SIZE 0x10000
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#define MM_PMC_RTC 0xf12a0000
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#define MM_PMC_RTC_SIZE 0x10000
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#endif
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